/**
 * 
 */
package com.cqan.attachment.service;

import com.cqan.attachment.entity.Attachment;
import com.cqan.service.EntityService;

/**
 * @Description TODO
 * @author wuhui
 * @date 2012-5-5上午9:48:59
 *
 */
public interface AttachmentService extends EntityService<Attachment,Long> {

	/**
	 * @param md5
	 * @return
	 */
	Attachment findAttachmentByMd5(String md5);

}
